<template>
  <div style="height: 6vh;background-color: #fff ; padding:10px 20px">
    <span style="line-height: 60px;font-size: 20px">用户管理</span>
    <el-button type="primary" style="float: right ;margin-top: 10px"
    @click="beforeAddUser">新建用户</el-button>
  </div>
  <!-- 新建用户弹窗 -->
<!-- :before-close="handleClose" 在弹窗关闭前先调用handleClose方法来处理弹窗的关闭问题 避免点击弹窗外部也能关闭弹窗-->
  <el-dialog
      :title="dialogTitle"
      style="width: 1000px;padding: 40px;"
      v-model="dialogVisible"
      :before-close="handleClose"
  >
    <el-form label-position="top" label-width="80px">
      <el-row :gutter="10">
        <el-col :span="12">
          <el-form-item label="用户名">
            <el-input placeholder="请输入用户名" v-model="saveUserForm.username"
            :disabled="saveUserForm.id !=null"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="手机号">
            <el-input placeholder="请输入手机号" v-model="saveUserForm.phone"></el-input>
          </el-form-item>
        </el-col>
      </el-row>

        <el-row :gutter="10">
        <el-col :span="12">
          <el-form-item label="邮箱">
            <el-input placeholder="请输入邮箱" v-model="saveUserForm.email"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="年龄">
            <el-input placeholder="请输入年龄" v-model="saveUserForm.age"></el-input>
          </el-form-item>
        </el-col>
      </el-row>

      <el-row :gutter="10">
       <el-col :span="6">
         <el-form-item label="职级">
           <el-select placeholder="请选择" v-model="saveUserForm.level" @change="loadLeader">
             <el-option v-for="item in levelOptions" :label="item.label" :value="item.value"></el-option>
<!--             <el-option label="职员" value="10"></el-option>-->
<!--             <el-option label="经理" value="20"></el-option>-->
<!--             <el-option label="总监" value="30"></el-option>-->
<!--             <el-option label="总裁" value="40"></el-option>-->
           </el-select>
         </el-form-item>
       </el-col>
        <el-col :span="6">
         <el-form-item label="直属领导">
           <el-select placeholder="请选择" v-model="saveUserForm.parentId">
             <el-option v-for="item in leaderOptions" :label="item.username" :value="item.id"></el-option>
           </el-select>
         </el-form-item>
       </el-col>
        <el-col :span="4">
         <el-form-item label="性别">
            <el-radio-group  v-model="saveUserForm.gender">
              <el-radio border label="男" value="1" style="margin: 0"></el-radio>
              <el-radio border label="女" value="0"></el-radio>
            </el-radio-group>
         </el-form-item>
       </el-col>
        <el-col :span="6">
           <el-form-item label="用户状态" >
              <el-radio-group v-model="saveUserForm.status">
                <el-radio border label="启用" value="1" style="margin: 0"></el-radio>
                <el-radio border label="禁用" value="0"></el-radio>
              </el-radio-group>
           </el-form-item>
         </el-col>
      </el-row>
    </el-form>
    <template #footer>
      <el-button @click="handleClose">取消</el-button>
      <el-button type="primary" @click="saveUser">保存</el-button>
    </template>
  </el-dialog>
<!--  用户搜索卡片-->
  <el-card style="margin: 20px;height: 70px;">
    <el-form :inline="true">
      <el-form-item label="用户搜索" style="width: 220px;">
        <el-input placeholder="请输入用户名" v-model="searchUserForm.username" @keydown.enter="loadUser"></el-input>
      </el-form-item>
       <el-form-item label="用户状态" style="width: 220px;">
        <el-select placeholder="请选择用户状态" v-model="searchUserForm.status" @change="loadUser">
          <el-option label="启用" value="1"></el-option>
          <el-option label="禁用" value="0"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button @click="resetSearch">重置</el-button>
        <el-button type="primary" @click="loadUser">查询</el-button>
      </el-form-item>
    </el-form>
  </el-card>
<!--  用户表格卡片-->
  <el-card style="margin: 20px">
    <el-table :data="userArr">
      <el-table-column type="index" label="编号" width="80" align="center">
      </el-table-column>
      <el-table-column prop="username" label="用户名" align="center">
      </el-table-column>
      <el-table-column prop="phone" label="手机号" align="center">
      </el-table-column>
      <el-table-column prop="createTime" label="加入时间" align="center">
      </el-table-column>
      <el-table-column prop="status" label="用户状态" align="center">
        <template #default="scope">
<!--          scope.row就代表表格中当前行的用户对象,也就是后端返回的userVO-->
          <el-switch active-value="1" inactive-value="0" v-model="scope.row.status"
                      @change="changeStatus(scope.row.id,scope.row.status)">

          </el-switch>
        </template>
      </el-table-column>
         <el-table-column  label="操作" align="center">
        <template #default="scope">
          <el-button link type="primary" :disabled="scope.row.level==40"
                      @click="resetPassword(scope.row.id)">密码重置</el-button>
          <el-button link type="primary" :disabled="scope.row.level==40"
                     @click="editUser(scope.row.id)">编辑</el-button>
          <el-button link type="primary" :disabled="scope.row.level==40"
                      @click="deleteUser(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>

    </el-table>
  </el-card>

</template>
<script setup>
import {onMounted, ref} from "vue";
import axios from "axios";
import {ElMessage} from "element-plus";
import qs from "qs";
//定义变量控制弹窗是否出现
const dialogVisible=ref(false);

//定义变量来控制弹窗标题
const dialogTitle=ref('新建用户');

//定义数组维护员工职级
const levelOptions=ref([
  {label:'员工',value:'10'},
  {label:'经理',value:'20'},
  {label:'总监',value:'30'},
  {label:'总裁',value:'40'},
]);
const leaderOptions=ref([
  // {username:'AA',id:101},
  // {username:'BB',id:102},
]);

//定义对象来收集保存所有员工数据
const saveUserForm=ref({
  username:'',
  phone:'',
  email:'',
  age:'',
  level:'',
  parentId:'',
  gender:'',
  status:''
});

// 点击 新建用户 按钮,出弹窗+修改弹窗标题
const beforeAddUser=()=>{
  dialogVisible.value=true;
  dialogTitle.value='新建用户';
}


//定义保存用户的方法
const saveUser=()=>{
  console.log(saveUserForm.value);
    /* 安装查询字符串框架qs  npm install qs
  使用qs框架将JS对象转为查询字符串格式 name=tom&age=18,注意qs需要导入!!! import qs from "qs"; */
  let data=qs.stringify(saveUserForm.value);
  console.log(data);
    //向后端发送保存员工的请求
    /* 此处传的参数是qs转换后的查询字符串data,注意:使用了查询字符串,后端Controller不用加@RequestBody注解!!! */
  axios.post(BASE_URL+'/v1/user/save',data)
      .then((response)=>{
        if (response.data.code==2000){
          ElMessage.success('保存成功!');
          //关闭弹窗,并清空双向绑定的表单数据
          dialogVisible.value=false;
          saveUserForm.value={};
          //保存成功后要重新加载用户数据
          loadUser();
        }else {
          ElMessage.error(response.data.msg)
        }
      })
}

const handleClose=()=>{
  if (confirm('您确认要关闭本窗口吗?')){
    dialogVisible.value=false;
    saveUserForm.value={};
  }
}

//定义对象用来保存用户的查询条件
const searchUserForm =ref({username:'',status:''});
//定义对象保存查询到的用户表格数据
const userArr=ref([]);
//定义加载用户的方法
const loadUser=()=>{
  let data=qs.stringify(searchUserForm.value);
  axios.get(BASE_URL+'/v1/user/select?'+data)
      .then((reponse)=>{
        if (reponse.data.code == 2000){
          userArr.value= reponse.data.data;//将后端数据响应装入用户数组中
          console.log(userArr.value);
        }else {
          ElMessage.error(reponse.data.msg)
        }
      })
}
//定义重置搜索条件的方法
const resetSearch=()=>{
  //清空之前的搜索条件
  searchUserForm.value={};
  //重新加载所有用户数据
  loadUser();
}
// 页面一加载完毕 立即执行
onMounted(()=>{
    loadUser();
})

//定义一个加载直属领导数据的方法
const loadLeader=()=>{
  //优化:如果已经选择了直属领导数据,需要再次重新选择职级,
  //就需要将之前已加载的领导数据和已选择的直属领导数据清空!
  leaderOptions.value=[];
  saveUserForm.value.parentId='';
  //拿到当前选择的员工职级,当前员工职级+10才是所有可选直属领导的职级
  let level=parseInt(saveUserForm.value.level)+10;
  axios.get(BASE_URL+'/v1/user/select?level='+level)
      .then((response)=>{
        if (response.data.code ==2000){
          console.log(response.data.data);
          leaderOptions.value=response.data.data;
        }else {
          ElMessage.error(response.data.msg);
        }
      })
}

//定义重置密码的方法
const resetPassword =(userId)=>{
  axios.post(BASE_URL+'/v1/user/update/password/'+userId)
      .then((response)=>{
        if (response.data.code==2000){
          ElMessage.success('密码重置成功!');
        }else {
          ElMessage.error(response.data.msg);
        }
  })
}

//定义编辑用户的方法
const editUser =(id)=>{
  dialogVisible.value= true;
  dialogTitle.value='编辑用户';
  axios.get(BASE_URL+'/v1/user/select?id='+id).then((response)=>{
        if (response.data.code ==2000){
          //注意:后端返回的是List<UserVO>,所以查一条数据的话拿的是集合的第1个元素,data[0]等价list.get(0)
          saveUserForm.value = response.data.data[0];
          //拿到当前选择的员工职级,当前员工的职级+10才是所有可选直属领导的职级
          let level = parseInt(saveUserForm.value.level)+10;
          axios.get(BASE_URL+'/v1/user/select?level='+level)
              .then((response)=>{
                if(response.data.code == 2000){
                  console.log(response.data.data);
                  leaderOptions.value = response.data.data;
                }else{
                  ElMessage.error(response.data.msg);
                }
              })
        }else {
          ElMessage.error(response.data.msg);
        }
      })
}

//定义修改员工状态的方法changeStatus
const changeStatus=(userId,status)=>{
  axios.post(BASE_URL+'/v1/user/update/status/'+userId+'/'+status)
      .then((respons)=>{
        if (respons.data.code==2000){
          ElMessage.success('修改成功!');
        }else {
          ElMessage.error(respons.data.msg);
        }
      })
}

//定义删除员工的方法deleteUser
const deleteUser=(userId)=>{
  axios.post(BASE_URL+'/v1/user/delete/'+userId).then((response)=>{
    if (response.data.code==2000){
      ElMessage.success('删除成功!');
      loadUser();//重新加载用户数据
    }else {
      ElMessage.error(response.data.msg);
    }
  })
}

</script>

<style scoped>

</style>